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(11)

EP 1 866 355 A1

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(43) Date of publication: 19.12.2007 Bulletin 2007/51 (21) Application number: 06739223.3 (22) Date of filing: 22.03.2006

(51) International Patent Classification (IPC):  C08G 18/28(2006.01) (86) International application number: PCT/US2006/010344 (87) International publication number: WO 2006/102383 (28.09.2006 Gazette 2006/39)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 23.03.2005 US 87413 (71) Applicant: 3M Innovative Properties Company Saint Paul, MN 55133-3427 (US)

(72) Inventors: KLUN, Thomas P. Saint Paul, Minnesota 55133-3427 (US) JING, Naiyong Saint Paul, Minnesota 55133-3427 (US) POKORNY, Richard J., Saint Paul, Minnesota 55133-3427 (US) QIU, Zai-Ming Saint Paul, Minnesota 55133-3427 (US) PELLERITE, Mark J. Saint Paul, Minnesota 55133-3427 (US) COGGIO, William D. Saint Paul, Minnesota 55133-3427 (US) WALKER, Christopher B., Jr. Saint Paul, Minnesota 55133-3427 (US) (74) Representative: Voortmans, Gilbert J.L. et al 3M Europe S.A., Hermeslaan 7 1831 Diegem 1831 Diegem (BE)